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add support for nested arrays #197

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mikaelarguedas wants to merge 1 commit into from
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add support for nested arrays #197

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11 changes: 11 additions & 0 deletions ros2topic/ros2topic/api/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,17 @@ def set_msg_fields(msg, values):
except ValueError as e:
raise SetFieldError(field_name, e)
try:
f_type = msg.get_slot_types()['_' + field_name]
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@mikaelarguedas mikaelarguedas Feb 17, 2019

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This looks pretty weird see ros2/rosidl_python#30 (comment) for more context and suggestion for stripping the leading underscores

# Check if field is an array of ROS message types
if f_type.find('/') != -1:
if isinstance(field_type(), list):
f_type = f_type[:f_type.rfind('[')]
field_elem_type = import_message_type('', f_type)
for n in range(len(value)):
submsg = field_elem_type()
set_msg_fields(submsg, value[n])
value[n] = submsg

setattr(msg, field_name, value)
except Exception as e:
raise SetFieldError(field_name, e)
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